$def with (toUser,fromUser,createTime,content,funcFlag=0)
<xml>
<ToUserName><![CDATA[$toUser]]></ToUserName>
<FromUserName><![CDATA[$fromUser]]></FromUserName>
<CreateTime>$createTime</CreateTime>
<MsgType><![CDATA[1]]></MsgType>
<Content><![CDATA[$content]]></Content>
<FuncFlag>$funcFlag</FuncFlag>
</xml>